Coflyr · Backend model field catalog

MaintenanceHistory

Maintenance.MaintenanceHistories.

66 mapped fields7 field groupsGenerated 2026-10-06

Model class: coflyr.features.planning.events.models.MaintenanceHistory
Source: Features/Planning/Events/Models/MaintenanceHistory.cs
Table: Maintenance.MaintenanceHistories
Review: Not marked

Every mapped scalar field appears once. Types and nullability come from the current EF model snapshot. Navigation properties and unmapped DTO fields are outside this page. Purpose text is inferred from names and should be checked against the feature workflow.

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Identity and naming

7 fields

#	Field	EF type	Storage	Business purpose
1	`Id`	`Guid`	Required	Stable identifier for this record.
2	`EventNumber`	`string`	Nullable	Records event number for this maintenance history.
3	`HistoryNumber`	`string`	Required	Records history number for this maintenance history.
4	`InstalledSerialNumber`	`string`	Nullable	Records installed serial number for this maintenance history.
5	`LabelNumber`	`string`	Nullable	Records label number for this maintenance history.
6	`RemovedSerialNumber`	`string`	Nullable	Records removed serial number for this maintenance history.
7	`VoucherNumber`	`string`	Nullable	Records voucher number for this maintenance history.

Relationships and references

28 fields

#	Field	EF type	Storage	Business purpose
1	`AircraftTailId`	`Guid?`	Nullable	Selects the related aircraft tail record.
2	`BaselineHistoryId`	`Guid?`	Nullable	Selects the related baseline history record.
3	`CertificateReference`	`string`	Nullable	Records certificate reference for this maintenance history.
4	`CheckId`	`Guid?`	Nullable	Selects the related check record.
5	`CorrectionOfHistoryId`	`Guid?`	Nullable	Selects the related correction of history record.
6	`CrsReference`	`string`	Nullable	Records crs reference for this maintenance history.
7	`DefectId`	`Guid?`	Nullable	Selects the related defect record.
8	`DeferralReference`	`string`	Nullable	Records deferral reference for this maintenance history.
9	`DocumentId`	`Guid?`	Nullable	Selects the related document record.
10	`EffectivityId`	`Guid?`	Nullable	Selects the related effectivity record.
11	`HistoryGroupId`	`Guid`	Required	Selects the related history group record.
12	`ImportBatchId`	`string`	Nullable	Selects the related import batch record.
13	`InstalledComponentId`	`Guid?`	Nullable	Selects the related installed component record.
14	`MaintenanceEventId`	`Guid?`	Nullable	Selects the related maintenance event record.
15	`MaintenanceTaskId`	`Guid?`	Nullable	Selects the related maintenance task record.
16	`ModificationId`	`Guid?`	Nullable	Selects the related modification record.
17	`PartId`	`Guid?`	Nullable	Selects the related part record.
18	`RemovedComponentId`	`Guid?`	Nullable	Selects the related removed component record.
19	`RequirementId`	`Guid?`	Nullable	Selects the related requirement record.
20	`RotableId`	`Guid?`	Nullable	Selects the related rotable record.
21	`SignoffReference`	`string`	Nullable	Records signoff reference for this maintenance history.
22	`SourceEntityId`	`Guid?`	Nullable	Selects the related source entity record.
23	`SourceReference`	`string`	Nullable	Records source reference for this maintenance history.
24	`TaskCardId`	`Guid?`	Nullable	Selects the related task card record.
25	`TimeBookingId`	`Guid?`	Nullable	Selects the related time booking record.
26	`WorkStepId`	`Guid?`	Nullable	Selects the related work step record.
27	`WorkorderId`	`Guid?`	Nullable	Selects the related workorder record.
28	`WorkpackageId`	`Guid?`	Nullable	Selects the related workpackage record.

Status and controls

3 fields

#	Field	EF type	Storage	Business purpose
1	`EventStatus`	`string`	Nullable	Tracks the event status of this maintenance history.
2	`RemovalFailureConfirmed`	`bool?`	Nullable	Indicates whether removal failure confirmed applies to this maintenance history.
3	`VerificationStatus`	`int`	Required	Tracks the verification status of this maintenance history.

Dates and timing

4 fields

#	Field	EF type	Storage	Business purpose
1	`NextDueAt`	`DateTime?`	Nullable	Records the next due at for this maintenance history.
2	`NextDueValue`	`decimal?`	Nullable	Records the next due value for this maintenance history.
3	`PreviousDueAt`	`DateTime?`	Nullable	Records the previous due at for this maintenance history.
4	`PreviousDueValue`	`decimal?`	Nullable	Records the previous due value for this maintenance history.

Descriptions and details

3 fields

#	Field	EF type	Storage	Business purpose
1	`AccomplishmentRemarks`	`string`	Nullable	Records accomplishment remarks for this maintenance history.
2	`ChangeReason`	`string`	Nullable	Records change reason for this maintenance history.
3	`ReasonCode`	`string`	Nullable	Records reason code for this maintenance history.

Audit and revision

5 fields

#	Field	EF type	Storage	Business purpose
1	`SourceRevision`	`string`	Nullable	Records source revision for this maintenance history.
2	`SystemAuditId`	`Guid?`	Nullable	Links to system audit history when this model stores the reference.
3	`TaskCardRevision`	`int?`	Nullable	Records task card revision for this maintenance history.
4	`TaskRevision`	`string`	Nullable	Records task revision for this maintenance history.
5	`UpdateId`	`Guid?`	Nullable	Links to the preceding revision or update record.

Other fields

16 fields

#	Field	EF type	Storage	Business purpose
1	`BaselineType`	`string`	Nullable	Records baseline type for this maintenance history.
2	`CertifiedBy`	`string`	Nullable	Records certified by for this maintenance history.
3	`ChangePosition`	`string`	Nullable	Records change position for this maintenance history.
4	`ComplianceType`	`string`	Nullable	Records compliance type for this maintenance history.
5	`DimensionCode`	`string`	Nullable	Records dimension code for this maintenance history.
6	`FailureCode`	`string`	Nullable	Records failure code for this maintenance history.
7	`HistoryType`	`int`	Required	Records history type for this maintenance history.
8	`LabourMinutes`	`decimal?`	Nullable	Records labour minutes for this maintenance history.
9	`OccurredAt`	`DateTime`	Required	Records the occurred at for this maintenance history.
10	`PerformedAt`	`DateTime?`	Nullable	Records the performed at for this maintenance history.
11	`PerformedBy`	`string`	Nullable	Records performed by for this maintenance history.
12	`PerformedValue`	`decimal?`	Nullable	Records performed value for this maintenance history.
13	`RemovalType`	`string`	Nullable	Records removal type for this maintenance history.
14	`SourceEntityType`	`string`	Nullable	Records source entity type for this maintenance history.
15	`SourceSystem`	`string`	Nullable	Records source system for this maintenance history.
16	`Station`	`string`	Nullable	Records station for this maintenance history.